js simple probability calculation code

Everyone should have their own methods and algorithms for probability calculation in js. In this article, we mainly share with you the simple probability calculation code in js, hoping to help everyone.

Core code:

//7：3运算
if(Math.ceil(Math.random()*10)>3){
  //占比=7
  alert('7');
  window.location.href="http://www.baidu.com" rel="external nofollow" ;
}else{
  //占比=3
  alert(3);
  widnow.location.href="http://www.jb51.net";
}

Use the size of the random number to determine which URL is best to visit. You can modify it according to your own needs.

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